$OpenBSD: patch-configure,v 1.7 2013/03/31 21:09:32 bentley Exp $
--- configure.orig	Sun Nov  9 12:22:17 2008
+++ configure	Wed Mar 27 00:14:46 2013
@@ -2422,9 +2422,9 @@ if test "${with_waddir+set}" = set; then
   withval=$with_waddir; DOOMWADDIR="$withval"
 else
   if test "x$prefix" != xNONE; then
-  DOOMWADDIR="$prefix/share/games/doom"
+  DOOMWADDIR="$prefix/share/prboom"
 else
-  DOOMWADDIR="$ac_default_prefix/share/games/doom"
+  DOOMWADDIR="$ac_default_prefix/share/prboom"
 fi
 
 fi
@@ -6814,7 +6814,7 @@ if test "${ac_cv_lib_png_png_create_info_struct+set}" 
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpng  $LIBS"
+LIBS="-lpng  -lz $LIBS"
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -6874,7 +6874,7 @@ if test $ac_cv_lib_png_png_create_info_struct = yes; t
 #define HAVE_LIBPNG 1
 _ACEOF
 
-  LIBS="-lpng $LIBS"
+  LIBS="-lpng -lz $LIBS"
 
 fi
 
